The health authorities said people are not required to wear masks when in safe social distance.
Feng Luzhao, researcher with the Chinese Center for Disease Control and Prevention, said at a news conference on Sunday that it's not necessary to wear masks at outdoor parks and streets as well as playgrounds that are not crowded.
"We suggest that people don't wear masks when doing exercises especially carrying out intense exercises," he said. "People are not required to wear masks at some areas that have low risks of infection or those spaces that have good ventilation and are maintaining social distancing including offices, meeting rooms, construction sites and schools."
Feng, however, added that when people enter enclosed environment or public spaces that have crowds of people such as public transportation vehicles and elevators, they need to wear masks.
"Also, if you feel sick and have symptoms like cough or fever, wearing mask is a must to avoid passing your disease to other people," he said.
People are required to wear masks when in the hospitals or accompanying family members to see the doctors, lowering risks of getting infected.
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